Tiny change to fellow_activity template

scipost_django/edadmin/templates/edadmin/monitor/fellow_activity.html

@@ -41,7 +41,7 @@
 		Nr appraised<br>&nbsp;
 	      </small>
 	    </th>
-	    <th>Latest appraisal datetime<br><em class="text-muted">(last time the Fellow specified their e</th>
+	    <th>Latest appraisal<br>datetime</th>
 	  </tr>
 	</thead>
 	<tbody>